March 25, 2010 7:12 pm NJ Man Keeps Strumming at 105 Frank Semola might be 105 years old but he stays young at heart by playing the mandolin, smiling and a secret libation. Find out his secrets to longevity. US & World Videos 8:59 Raise a julep to the Kentucky Derby: The Lineup 0:32 Five people arrested in 2006 Philadelphia cold case 0:19 Body of missing kayaker found in the Schuylkill River 2:00 Police officer placed on administrative duty after killing dog that attacked a man 0:51 Police officer shot and killed 1 of 4 dogs that attacked a 53-year-old man